Welcome to Dubuque County, Iowa.  For title and plate transfers our office is open to the public by appointment only.  You may set up an appointment at www.dubuquecounty.org.   For other transactions such as property tax payments and vehicle registration renewals enjoy online payment options for your convenience at www.iowatreasurers.org.  Treasurer
Experience The Convenience Pay Online!


   2019 Taxes 
Payable 2020/2021
    Taxes for the time period
    July 1, 2019 thru June 30, 2020

***Property tax News***    Second half payments can be paid on-line or be postmarked on or before March 31, 2021 to avoid penalty. 


Pay online, not in line

                    Property taxes are due September 2020 and March 2021.  


                  2019 Property taxes are certified and can be paid on-line 

Discover, MasterCard, Visa, and E-Check are accepted for Internet Transactions. The fee for E-Check is $.25 per transaction.  All E-Checks returned for insufficient funds will be charged a fee of $30.00 for NSF. A terminal is available at the Treasurer’s Office to make online payments during office hours. 

 Pay Property Tax 

Your Receipt # is the 6 digit number located in the upper right hand corner of your Tax payment stub. 

  • You are not eligible to renew online unless you received a renewal notice through the US Postal Service that contains
    PIN number for online renewals. 

Vehicle Transfers:

Effective January 1, 2020 a Bill of Sale is required for all motor vehicle transfers.  Signatures are required from both buyer and seller. A bill of sale is available to download at https://www.dubuquecountyiowa.gov/248/Treasurer.  


Vehicle Renewals:

If your vehicle registration has a stop the vehicle does not qualify for online renewal.   Apportioned vehicles are not eligible for online renewal.

Scheduled Tax Payments:

You can now sign up for scheduled and/or recurring payments.  You can choose the date that best works for you, decide the amount to be set or calculated, make changes anytime and best of all, reminders will be emailed to you whenever a transaction takes place. Choose Pay Property Tax and select scheduled payment option. 


Our office is now taking applications for passports. For more information contact our office  at 563-589-4436 or go to www.travel.state.gov .  

 For Dubuque County information  www.dubuquecounty.org

For Tax sale information click here

Office Hours and  Location

Dubuque County Courthouse

720 Central Ave

Dubuque IA 52001

Office Hours: 8:00 - 4:30 / Monday - Friday


Dyersville Satellite Office-   Opening October 20th by appointment only.  Appointments can be made on-line at www.dubuquecounty.org.  
340 1st Ave E

Dyersville, Iowa 52040

Office Hours:8:00 - 4:00/ Monday-Friday                                                                                                                                           

Dyersville Office Phone and Fax   563-875-6052                                                                                                                                       

Contact Information


Dubuque County Treasurer's Office will be closed on the following dates

2020 Holiday Schedule

Dubuque (1)
Eric Stierman
91,000 - 7th

I would like to welcome you to the Dubuque County Treasurers’ Home Page!!

My hope is this website, will make contacting our office easier and more convenient with access to information 24 hours a day 7 days a week.

We provide the following services from our office: Property tax Collection, Issuance of Vehicle Titles and Registrations.

Our office is committed to carrying out these responsibilites while providing outstanding customer service through a process of continuous evaluation and improvement of the way in which we do business.

Please visit us again!!!!

Eric Stierman


Christmas Eve                       December 24, 2020

Christmas Day                       December 25, 2020

New Year's Eve Day               December 31, 2020

New Years Day                      January 1, 2021

Martin Luther King Jr Day      January 18, 2021

Presidents Day                      February 15, 2021

Spring Holiday                       April 2, 2021

Memorial Day                        May 31, 2021

Independence Day                July 5, 2021

Labor Day                             September 6, 2021

Veterans Day                         November 11, 2021

Thanksgiving Day                  November 25, 2021

Day after Thanksgiving          November 26, 2021

Christmas Eve                       December 23, 2021

Christmas Day                      December 24, 2021

New Years Eve                      December 30, 2021

New Years Day                      December 31, 2021